在 2023/12/24 1:23, kernel test robot 写道:
Hi Xuan,
kernel test robot noticed the following build warnings:
[auto build test WARNING on mst-vhost/linux-next]
[also build test WARNING on linus/master v6.7-rc6]
[cannot apply to net-next/main horms-ipvs/master next-20231222]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Xuan-Zhuo/virtio_net-introduce-device-stats-feature-and-structures/20231222-175505
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
patch link: https://lore.kernel.org/r/20231222033021.20649-4-xuanzhuo%40linux.alibaba.com
patch subject: [PATCH net-next 3/6] virtio_net: support device stats
config: arc-haps_hs_defconfig (https://download.01.org/0day-ci/archive/20231224/202312240155.ow7kvQZO-lkp@xxxxxxxxx/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231224/202312240155.ow7kvQZO-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312240155.ow7kvQZO-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from include/linux/virtio_net.h:8,
from drivers/net/virtio_net.c:12:
include/uapi/linux/virtio_net.h:419:45: warning: left shift count >= width of type [-Wshift-count-overflow]
419 | #define VIRTIO_NET_STATS_TYPE_CVQ (1L << 32)
| ^~
drivers/net/virtio_net.c:215:17: note: in expansion of macro 'VIRTIO_NET_STATS_TYPE_CVQ'
215 | VIRTIO_NET_STATS_TYPE_##TYPE, \
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/net/virtio_net.c:224:9: note: in expansion of macro 'VIRTNET_DEVICE_STATS_MAP_ITEM'
224 | VIRTNET_DEVICE_STATS_MAP_ITEM(CVQ, cvq, CQ),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +419 include/uapi/linux/virtio_net.h
ba106d1c676c80 Xuan Zhuo 2023-12-22 418
ba106d1c676c80 Xuan Zhuo 2023-12-22 @419 #define VIRTIO_NET_STATS_TYPE_CVQ (1L << 32)
#define VIRTIO_NET_STATS_TYPE_CVQ (1ULL << 32)
The above can fix this problem.
Not sure whether this is appropriate for the whole patches.
Zhu Yanjun
ba106d1c676c80 Xuan Zhuo 2023-12-22 420
